| UTR Pro Tennis Series Portoroz | 2021/08/22 08:30 | Maulenov, Timur v Zitnik, Tilen | 6-3,2-6,2-6 |
| UTR Pro Tennis Series Portoroz | 2021/08/25 13:00 | Zitnik, Tilen v Zmak, Deni | 3-6,1-6 |
| UTR Pro Tennis Series Portoroz | 2021/08/25 08:30 | Zitnik, Tilen v Parshutin, Denis | 6-7,6-7 |
| UTR Pro Tennis Series Portoroz | 2021/08/24 07:00 | Zitnik, Tilen v Novikov, Egor | 6-7,4-6 |
| UTR Pro Tennis Series Portoroz | 2021/08/22 08:30 | Maulenov, Timur v Zitnik, Tilen | 6-3,2-6,2-6 |
| UTR Pro Tennis Series Portoroz | 2021/08/21 11:00 | Lawrence Bataljin v Zitnik, Tilen | 6-3,4-6,4-5 |
| UTR Pro Tennis Series Portoroz | 2021/08/20 11:00 | Colin Sinclair v Zitnik, Tilen | 6-3,6-1 |
| UTR Pro Tennis Series Portoroz | 2021/08/18 12:30 | Vehovec, Jan v Zitnik, Tilen | 3-6,5-7 |
| UTR Pro Tennis Series Portoroz | 2021/08/16 11:00 | Aleksa Pisaric v Zitnik, Tilen | 6-3,4-6,6-1 |
| UTR Pro Tennis Series Portoroz | 2021/08/25 08:30 | Novikov, Egor v Maulenov, Timur | 7-5,6-0 |
| UTR Pro Tennis Series Portoroz | 2021/08/24 07:00 | Zmak, Deni v Maulenov, Timur | 7-6,5-1 |
| UTR Pro Tennis Series Portoroz | 2021/08/22 08:30 | Maulenov, Timur v Zitnik, Tilen | 6-3,2-6,2-6 |
| UTR Pro Tennis Series Portoroz | 2021/08/21 13:15 | Maulenov, Timur v Jan Dimitrijevic | 6-4,6-6 |
| UTR Pro Tennis Series Portoroz | 2021/08/20 09:30 | Adamson, Alec v Maulenov, Timur | 2-6,3-6 |
| UTR Pro Tennis Series Portoroz | 2021/08/19 08:00 | Gal Emersic Potocnik v Maulenov, Timur | 3-6,6-1,4-6 |
| UTR Pro Tennis Series Portoroz | 2021/08/18 09:30 | Parshutin, Denis v Maulenov, Timur | 6-3,4-6,2-6 |
| UTR Pro Tennis Series Portoroz | 2021/08/16 08:00 | Zmak, Deni v Maulenov, Timur | 6-0,6-0 |